Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

An icon in the shape of a lightning bolt. Impact Link Nearly 12,600 years ago, during the Late Pleistocene era, a group of humans hunted and killed a giant ground sloth in Argentina, then left the ...

Add Yahoo as a preferred source to see more of our stories on Google. Harlan's ground sloth fossil skeleton excavated and displayed at the La Brea Tar Pits in Los Angeles. Larisa DeSantis A two-toed ...

Ground sloths occupied South America during the last ice age before going extinct 10,000 years ago. Scientists thought these giant creatures ate plants like their modern, tree-climbing counterparts.

Large animals started going extinct at the end of the Pleistocene, just as both climate change and a new predator — Homo sapiens — arrived on the scene. But despite humans’ brutal legacy of killing ...

Imagine a sloth. You probably picture a medium-size, tree-dwelling creature hanging from a branch. Today’s sloths – commonly featured on children’s backpacks, stationery and lunch boxes – are ...

Add Yahoo as a preferred source to see more of our stories on Google. Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are ...

Pleistocene ground sloths constitute a remarkable and diverse group of xenarthran mammals that thrived across South America during a period of significant climatic and environmental flux. Their fossil ...

WICHITA, Kan. (KWCH) - A prehistoric discovery near Hays is shedding some new light on a giant ground sloth species that lived more than 10,000 years ago. A study published Monday in the peer-reviewed ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big. Most of us are familiar sloths, the ...